The main function of $nor-adrenaline$ is:

Which hormone causes dilation of blood vessels,increased oxygen consumption and glucogenesis?

If a human female starts developing male characteristics like beard,degeneration of uterus and ovaries,and enlargement of clitoris,it may be due to:

Epinephrine and norepinephrine are both collectively known as:

Select the correct option on the basis of the following sentences regarding a gland's functions:
$(I)$ Hormones increase alertness.
$(II)$ Hormones increase the heart beat.
$(III)$ Stimulate the breakdown of glycogen.
$(IV)$ Stimulate the breakdown of lipids and proteins.

Describe the hormones of the adrenal gland,their functions,and the disorders due to their deficiency.